WENZHOU YUMAO ELECTRICITY TECHNOLOGY CO., LTD(WZUMER), is one of the branded heavy duty connector supplier in china. We provide OEM& ODM service and free sample is available. UMER heavy duty connector have full series connector in china. Your trustable heavy duty connector supplier and manufacturer. Full series HA, HE, HD, HDD type as a young and passionate team, we trust and communicate well with each other. Every day focus on goals and results to provide our customer with better service and heavy duty connectors. We are fun and diverse to make ourself a strong backstone and win-win partner to our customers.